1 files changed, 10 insertions, 9 deletions
diff --git a/cores/arduino/Arduino.h b/cores/arduino/Arduino.h
index 09c1448..91eeb16 100644
--- a/cores/arduino/Arduino.h
+++ b/cores/arduino/Arduino.h
@@ -111,7 +111,8 @@ void yield(void);
 #define bitRead(value, bit) (((value) >> (bit)) & 0x01)
 #define bitSet(value, bit) ((value) |= (1UL << (bit)))
 #define bitClear(value, bit) ((value) &= ~(1UL << (bit)))
-#define bitWrite(value, bit, bitvalue) (bitvalue ? bitSet(value, bit) : bitClear(value, bit))
+#define bitToggle(value, bit) ((value) ^= (1UL << (bit)))
+#define bitWrite(value, bit, bitvalue) ((bitvalue) ? bitSet(value, bit) : bitClear(value, bit))
 
 // avr-libc defines _NOP() since 1.6.2
 #ifndef _NOP
@@ -130,16 +131,16 @@ void initVariant(void);
 
 int atexit(void (*func)()) __attribute__((weak));
 
-void pinMode(uint8_t, uint8_t);
-void digitalWrite(uint8_t, uint8_t);
-int digitalRead(uint8_t);
-int analogRead(uint8_t);
+void pinMode(uint8_t pin, uint8_t mode);
+void digitalWrite(uint8_t pin, uint8_t val);
+int digitalRead(uint8_t pin);
+int analogRead(uint8_t pin);
 void analogReference(uint8_t mode);
-void analogWrite(uint8_t, int);
+void analogWrite(uint8_t pin, int val);
 
 unsigned long millis(void);
 unsigned long micros(void);
-void delay(unsigned long);
+void delay(unsigned long ms);
 void delayMicroseconds(unsigned int us);
 unsigned long pulseIn(uint8_t pin, uint8_t state, unsigned long timeout);
 unsigned long pulseInLong(uint8_t pin, uint8_t state, unsigned long timeout);
@@ -147,8 +148,8 @@ unsigned long pulseInLong(uint8_t pin, uint8_t state, unsigned long timeout);
 void shiftOut(uint8_t dataPin, uint8_t clockPin, uint8_t bitOrder, uint8_t val);
 uint8_t shiftIn(uint8_t dataPin, uint8_t clockPin, uint8_t bitOrder);
 
-void attachInterrupt(uint8_t, void (*)(void), int mode);
-void detachInterrupt(uint8_t);
+void attachInterrupt(uint8_t interruptNum, void (*userFunc)(void), int mode);
+void detachInterrupt(uint8_t interruptNum);
 
 void setup(void);
 void loop(void);